I’ve had a large number of bicycles in my time and loved tinkering with all of my bicycles over the years.
Noticed someone post a bicycle for sale and soon as I seen this it immediately made my think. Shouldn’t these say Shimano – because that is the brand that we all know and probably the one with the biggest market share for bicycle derailleur components.
My first thought is these must be some clone and/or rip off of Shimano brand. Little bit of research indicates others concluded the same thing.